Nonwoven tissue scaffold
First Claim
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1. A biocompatible meniscal repair device, comprising;
- a biocompatible tissue repair scaffold adapted to be placed in contact with a defect in a meniscus, wherein the scaffold comprises a dry laid nonwoven polymeric material, the dry laid nonwoven polymeric material consists of a density in the range of about 120 mg/cc to 360 mg/cc, and wherein the scaffold has an initial modulus of elasticity greater than 1.5 MPa or about 1.5 MPa and an initial suture pull-out strength greater than 6 N or about 6 N, and wherein viable tissue is disposed on the tissue repair scaffold, the viable tissue having viable cells capable of integrating with native tissue adjacent to the tissue repair scaffold.
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Abstract
A biocompatible meniscal repair device is disclosed. The tissue repair device includes a scaffold adapted to be placed in contact with a defect in a meniscus, the scaffold comprising a high-density, dry laid nonwoven polymeric material and a biocompatible foam. The scaffold provides increased suture pull-out strength.
290 Citations
26 Claims
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1. A biocompatible meniscal repair device, comprising;
a biocompatible tissue repair scaffold adapted to be placed in contact with a defect in a meniscus, wherein the scaffold comprises a dry laid nonwoven polymeric material, the dry laid nonwoven polymeric material consists of a density in the range of about 120 mg/cc to 360 mg/cc, and wherein the scaffold has an initial modulus of elasticity greater than 1.5 MPa or about 1.5 MPa and an initial suture pull-out strength greater than 6 N or about 6 N, and wherein viable tissue is disposed on the tissue repair scaffold, the viable tissue having viable cells capable of integrating with native tissue adjacent to the tissue repair scaffold. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18)
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17. A biocompatible meniscal repair device, comprising
a biocompatible tissue repair scaffold adapted to be placed in contact with a defect in a meniscus, the scaffold including: -
(a) a dry laid nonwoven polymeric material consisting of a density in the range of about 120 mg/cc to 360 mg/cc; (b) a biocompatible foam; and (c) viable tissue disposed on the tissue repair scaffold, the viable tissue containing viable cells capable of integrating with native tissue adjacent to the tissue repair scaffold, wherein, the scaffold provides increased suture pull-out strength and has an initial modulus of elasticity in the range of about 1.5 MPa to 40 MPa. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26)
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Specification